|
Year
|
At home
|
|
|
|
1929
|
20.3
|
|
1930
|
21.2
|
|
1931
|
19.8
|
|
1932
|
19.5
|
|
1933
|
21.9
|
|
1934
|
21.0
|
|
1935
|
20.4
|
|
1936
|
18.8
|
|
1937
|
18.4
|
|
1938
|
18.9
|
|
1939
|
18.1
|
|
1940
|
17.6
|
|
1941
|
16.3
|
|
1942
|
15.6
|
|
1943
|
15.3
|
|
1944
|
14.9
|
|
1945
|
15.5
|
|
1946
|
17.6
|
|
1947
|
19.2
|
|
1948
|
18.3
|
|
1949
|
18.0
|
|
1950
|
17.0
|
|
1951
|
17.3
|
|
1952
|
17.2
|
|
1953
|
16.4
|
|
1954
|
16.0
|
|
1955
|
15.1
|
|
1956
|
14.7
|
|
1957
|
15.0
|
|
1958
|
15.1
|
|
1959
|
14.3
|
|
1960
|
14.1
|
|
1961
|
13.6
|
|
1962
|
13.1
|
|
1963
|
12.5
|
|
1964
|
12.0
|
|
1965
|
11.7
|
|
1966
|
11.3
|
|
1967
|
10.7
|
|
1968
|
10.3
|
|
1969
|
10.2
|
|
1970
|
10.3
|
|
1971
|
9.9
|
|
1972
|
9.9
|
|
1973
|
9.7
|
|
1974
|
10.0
|
|
1975
|
9.9
|
|
1976
|
9.6
|
|
1977
|
9.3
|
|
1978
|
9.2
|
| more... |
more... |
|
|
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